rusty_tlc
Explorer
Read the label.
Many brands of washer fluid claim they will "protect" the washer system down to -14 or whatever. That does not mean they will flow at that temp, only that the fluid wont freeze solid and crack lines and stuff. Even with a high ratio of 99% isopropyl alcohol I've had enough ice crystals form to clog the jets and lines.
I wouldn't worry to much about it, it usually doesn't happen that often if you run winter formula fluid.
Read it again. :elkgrin:Did you ever think if 99% isopropyl alcohol FROZE , what will be with GAS in your tank ?
Simple chemistry and physics plus some basics mechanic from school
Lets read post why live in Alaska
I've substituted up to 50% with 99% IPA, the water can still participate out and freeze.